Keep track of the ratio between JS and non-JS ticks and use this ratio to adjust the lookup threshold. (Also add support to trace compilation statistics.)


Review URL: http://codereview.chromium.org/5633009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5955 ce2b1a6d-e550-0410-aec6-3dcde31c8c00